Electromagnetic lock



FIG. 1 is a perspective view of an electromagnetic lock showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is bottom view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The portions of the drawings shown in broken lines representenvironmental structure and form no part of the claimed design.

CLAIM The ornamental design for the electromagnetic lock, as shown anddescribed.